What does a shutter speed of one mean? the shutter will stay open for half a second. the shutter will stay open for one second. the shutter will stay open for half a minute. the shutter will stay open for one minute.

Write a method that accepts a string object as an argument and returns the number of words it contains. for instance, if the argument is "four score and seven years ago", the method should return the number 6. demonstrate the method in a program that asks the user to input a string and then passes that string into the method, printing out whatever the method returns.

Agood flowchart alludes to both the inputs and outputs you will need to receive and give to the user. true or false?

3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).